Wrench



(No Model.) 2 Sheets-Sheet 1.

E. LSHULTZ. WRENCH.

No. 491,606. Patented Peb. 1.4, 1893. @l 7 .Fg/9 F'g' 7 lill/lill (NoModel.) Y 2 sheets-sheet 2.

E. L. SHULTZ.

WRENCH.

Patented Feb. 14, 1893.

Novo-LITRO., WASHINGTON n c UNITED STATES PATENT OEEICE.

EDWARD L. SIIULTZ, OF HARTFORD, CONNECTICUT.

WRENCH.

SPECIFICATION forming part of Letters Patent No. 491,606, dated February14, 1893.

Application led April 26, 1892. Serial No. 430,747. (No model.)

To a/ZZ whom, it may concern:

Be it known that I, EDWARD L. SHULTZ, a citizen of Warsaw, Poland,residing at Hartford, in the county of Hartford and State ofConnecticut, have invented certain new and useful Improvements inVrenches, of which the following is a specification.

This invention relates to that class of wrenches in which the w rench-bar slides within the handle or handle-bar of the wrench; the objectbeing to provide a wrench of that class having auxiliary implements, ordevices, co-acting with the principal movable part of the wrench.

In the drawings accompanying and forming a part of this specification,Figure 1 is a side view of a wrench embodying my present improvements.Fiff. 2 is an edge view of the wrench, as seen from the right-hand inFig. 1. Fig. 3 is a view similar to Fig. 1, but showing the handle, orframe, of the wrench broken away to show the operative details. Fig. 4is an end view of the wrench, drawn in projection with Fig. 1. Fig. 5 isa sectional view, in line a c, Fig. 3. Fig. 6 is a view similar to Fig.1, illustratinga modification of the spokegrip portion of the wrench.Fig. 7 is a sectional view, in lineb h, Fig. 6, and illustrates theoperation of said modification. Fig. 8 is a sectional view similar toFig. 5, showing an improvement in the construction of the spokegripdevice comprised in the wrench shown in Figs. 1 to 5, inclusive. Fig. 9is a View illustrating a further modification in the construction of thespoke-grip device. Fig. lO is aseotional view, in line c c of Fig. 9.Fig. l1 is a plan view of the blank used in the construction of thehandle ot'v the wrench. Fig. 12 is a sectional view of saidhandle-blank, in line d d, Fig. 11. Fig. 13 is asimilar view,in line e cof Fig. 11.

Similar characters designate like parts in all the figures.

My improved wrench generally speaking comprises the following elements,to wit: the handle, the wrench-bar carrying a movable wrench-j aw, the nut for actuating the wrenchbar, a spoke-grip device co-acting with thewrench-bar and constituting an auxiliary wrench for a special purpose,and also, in some cases, a tool-blade carried in the wrenchhandle andheld in place, either open or closed, by engagement with the wrench-bar.

The wrench-handle B may be of any suitable construction adapted toreceive the operative parts of the wrench, but I prefer to use a handleof the improved construction shown in Figs. 1l, 12 and 13. This improvedhandle is constructed of a handle-blank, B', having the two sides 2 and4 joined by the back-portion 25, each side containing spaces, 3 and 5,respectively, forming, when the handle is completed, a suitable spacewithin and longitudinally of the handle for receiving the slidingwrench-bar C, Fig. 3. W'hen the hanle-sides 2 and 4 are closed togetheras shown in dotted lines in Fig. 13, the two sides thereof are heldtogether by suitable rivets, as for instance, the rivets 6, Fig. 3. Oneof said rivets, 6', Fig. 3, is shown forming a pivot on which issupported the movable tool-blade D. This blade, which in thepresentinstanceisa screw-driver blade, is shown in said Fig. 3 in itsclosed position, and in Fig. 6 in its opened position ready for use.Said blade D, instead of being constructed at its outer end to be usedfor a screw-driver, may be constructed to form a hook, a boring-tool, orsome other implement.

The wrench-bar consists of the bar C carrying the movable wrench-jaw 7,and fitted slide within the space 35, Fig. 12, within the handle of thewrench. The inner end, 8, of the wrench-bar is threaded to receive thenut 10, which lies in the space 9 of the wrenchhandle, and operates, ina well-known manner, for sliding the wrench-bar longitudinally withinthe handle. The extreme end of said threaded portion of the wrench-baris shown constructed to constitute a locking-device for engaging in thenotches 11 and 12, respectively, of the tool-blade D, which, ashereinbefore described, is pivotally supported on the pin 6', Within theslot 13 in the end of the handle B of the wrench. On one side thewrench1 bar, is beveled, or inclined, as at 14, Figs. 3 and 5, or at14:', Fig. 7, for cri-acting (either directly or through a movable jaw)with the fixed spoke-grip-jaw l5 formed on, and constituting a part of,the wrench-handle. In the modification shown in Figs. 9, and 10 (thetool-blade D being here omitted), said inclined face 14 of thewrench-bar constitutes the movable jaw or face of the spoke-grip device,as will be understood by comparison of Figs. 9 and 10. In the modicationshown in Figs.

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6 and '7, the inclined face 14 of the wrenchbai` operates against theunder side of the inner edge of a pivotally-supported spoke-gripjaw, 16,that is pivoted at 17 and 18 in the wrench-handle, and has a grip-face,1Q, coacting with the opposite grip-face 2O formed in the wrench-handle,as will be understood by comparison of said Figs. 6 and 7.

In the preferred form of the wrench shown in Figs. 1 to 5, inclusive,the inclined face l-t of the wrench-bar bears against and actuates themovable spoke-grip-jaw 22 which is contained within the space 23 of thewrench-handle and co-acts with the fixed jaw 15, as will be understoodby comparison of Figs. 1, 3, and 5, in which the spoke (of abicycle-wheel) is designated by S.

The construction of the spoke-grip-wrench shown in Fig. 8 is animprovement upon that shown in Fig. 5. This improvement consists inconstructing the movable jaw 22 (corresponding to the movable jaw 22 ofthe preceding figures) to have a movement laterally at the end thereofwhich engages the'spoke S; and constructing the face 1 4 of said jaw 22slightly concave or beveled, substantially as indicated in said Fig. 8.On using this form of spoke-grip-wrench, when a torsional strain isapplied thereto, the tendency of the spoke to roll between the jaws 14,and 15 causes a slight lateral or rocking movement of said jaw, which,owing to its concave face described, operates after the manner ofcertain well-known kinds of pipe-wrenches to close upon the said spoKe'with an increasing pressure proportionate to the power applied to thewrench. By this means the spoke is grasped with great force,notwithstanding that the movable jaw may at first be only lightly closedagainst the spoke by the wedgeface on the rod 8.

It will be particularly noted, that by arranging the spoke gripping jawsat an acute angle to the length of the wrench bar and handle not onlyare the advantages of a powerful grip as just pointed out secured, butthe head of the wrench will lie so close to the spoke being operatedupon, that it will pass between adjacent spokes whereby any spoke may becompletely adjusted without the necessity of loosening and againtightening the wrench,a result which could not be accomplished if thejaws crossed the wrench at right angles to its longitudinal center.

Having thus described my invention, I claimd. In awrenchsuch asdescrihechthe com spoke when Vgripped thereon to facilitate its passagebetween adjacent spokes; substantially as described.

2. In a wrench, such as described, the combination with the handle, thelongitudinally movable wrench bar carried thereby and having the rearend wedge sha-pe, the co-operating nut clamping jaws at one end of saidbar and handle and the stationary spoke gripping jaw at the opposite endof the handle, of the movable spoke gripping jaw carried by the handleand co-operating with the wedge shape end of the wrench bar whereby itis closed against the stationary spoke gripping jaw; substantially asdescribed.

3. In a wrench of the class specified, the

v combination with the movable jaw having the stem 8 inclined on oneside thereof as set forth, of the handle having the grip-jaw face at oneside of said stem and substantially longitudinal with said inclinedface, and al jaw intermediate to said inclined face and handlejaw andadapted to be actuated by the stem for gripping the spoke, substantiallyas shown and described.

et. In a wrench of the class specified, the combination with thewrench-handle having the fixed spoke-grip-jaw, and with the Wrenchbarsliding in the handle and having a wedge substantially as described, ofthe rocking spoke-grip-jaw seated against said wed ge and having itsspoke-engaging edge movable laterally of the fixed jaw, substantially asset forth.

5. VIn 'a wrench ofV the/'class specified, the combination with thehandle having the slot 13, of the blade D pivoted in said slot andhaving the detent-notches, and the wrenchbar having the projecting endfitted to engage in said blade-notches when the wrench-bar is closed,substantially as described.

6. In a wrench of the class specified, the combination. with a handlehaving the gripjaw 15, of the sliding stem 8 having an inclined face asset forth, and the movable jaw 22 having a concave grip-face co-actingwith the said grip-jaw, the face-side of said movable jaw being adaptedto have movementlaterally of its closing movement, substantially as andfor the purpose described.

'7. The improved wrench-bar-blank herein shown and described forwrenches of the class specified, consisting in the two sideplates 2 and4 joined at their edges by the back-forming portion 25, and havingtherein,A respectively, the wrench-bar grooves 3 and 5, and one of thesides having thereon the gripjaw 15, said handle-blank being adapted tobe closed upon itself to form the handle of the wrench and havingtherein the wrenchbar space, the nut-space, and the spoke-gripjaW-space,substantially as set forth.

EDVARD L. SHULTZ. Witnesses:

HENRY L. REOKARD, HANS MALLNER.

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